Current sea water temperature:
+38.3°F
| Minimum sea water temperature in January: | 46.4°F |
| Maximum sea water temperature in January: | 35.1°F |
| Average sea water temperature in January: | 41.1°F |
| more information | |
14 days
forecast
forecast
| Jersey City |
monthly
weather
weather
| Jersey City |
Sea water temperature for the last 10 days:
| January 12 | 38.3°F | January 7 | 37.8°F |
| January 11 | 37.0°F | January 6 | 37.4°F |
| January 10 | 36.9°F | January 5 | 39.0°F |
| January 9 | 36.7°F | January 4 | 42.3°F |
| January 8 | 39.0°F | January 3 | 39.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Jersey City?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jersey City was noticed in August, July and September.
Monthly Sea Temperatures in Jersey City, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.8°F. The highest and lowest sea temperatures during the month were 78.3°F and 72.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 79.3°F and 72.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 71.2°F. The highest and lowest sea temperatures during the month were 72.7°F and 69.4°F.
current
weather
weather
| Jersey City |
weather in
January
January
| Jersey City |
Best time for vacation in Jersey City
Jersey City on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jersey City
Local time: 23:01
January 13, tuesday
0000
30°F
E
12 mph
12 mph
0300
28°F
E
10 mph
10 mph
0600
28°F
E
9 mph
9 mph
0900
30°F
NE
7 mph
7 mph
1200
37°F
NE
10 mph
10 mph
1500
41°F
NE
11 mph
11 mph
1800
39°F
N
9 mph
9 mph
2100
37°F
N
12 mph
12 mph
